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酰卤

酰卤

酰卤是一类含有卤素原子(如氯、溴等)和羰基官能团的化合物,通式为R-CO-X,其中R代表一个烷基、芳基或其他烃基团,X表示卤素。这类化合物因其在有机合成中具有重要应用而受到广泛关注。

1. 物理性质 酰卤通常为无色液体或固体,在常温下较为稳定,但在较高温度时会发生水解反应生成相应的羧酸和卤化氢。例如,乙酰氯(CH3COCl)是无色易挥发的油状液体,而乙酸酐(CH3CO)2O则为有刺激性气味的无色透明液体。

2. 化学性质

  • 水解反应:酰卤能够与水迅速反应生成相应的羧酸和卤化氢气体。例如: [ R-CO-X + H_2O → R-COOH + HX ]

  • 亲核取代反应:这类化合物也是良好的离去基团,可以用于亲核取代反应,如傅-克酰基化反应等。 [ R'-OH + R-COCl → R'-COR + HCl ]

3. 应用 酰卤因其较高的活性和选择性,在有机合成中具有重要应用价值。它们常被用来作为中间体来引入羰基,进而用于合成各种重要的药物、农药、香料等化合物。

  • 药物合成:由于其高反应性和稳定性,酰卤常用于制备特定结构的药物分子。

  • 合成其他化学品:通过与多种亲核试剂发生反应,可以合成酯、酸酐等多种衍生物。

总的来说,酰卤是一类多功能且广泛应用的有机化合物,在有机化学领域占据着重要位置。

相关化合物

中文名称 英文名称 CAS号 化学式 结构式图片
—— 2-Methylidenehexanoyl fluoride —— C7H11FO
2-Methylidenehexanoyl fluoride
—— Butanoyl chloride;3,3-dimethylbutanoyl chloride —— C10H18Cl2O2
Butanoyl chloride;3,3-dimethylbutanoyl chloride
—— cyclopentane;cyclopentanecarbonyl chloride;iron —— C11H9ClFeO-10
cyclopentane;cyclopentanecarbonyl chloride;iron
—— cyclohepta-1,4,6-trienecarbonyl chloride —— C8H7ClO
cyclohepta-1,4,6-trienecarbonyl chloride
—— (2-Hexyloxy-ethoxy)-acetyl chloride —— C10H19ClO3
(2-Hexyloxy-ethoxy)-acetyl chloride
—— 2-Cyclopenta-1,3-dien-1-ylacetyl chloride —— C7H7ClO
2-Cyclopenta-1,3-dien-1-ylacetyl chloride
—— cyclobutanecarbonyl chloride —— C5H7ClO
cyclobutanecarbonyl chloride
—— 2,3-Dichlorobicyclo[2.1.1]hexane-5-carbonyl chloride —— C7H7Cl3O
2,3-Dichlorobicyclo[2.1.1]hexane-5-carbonyl chloride
—— 3-cyanopropanoyl chloride 17790-82-8 C4H4ClNO
3-cyanopropanoyl chloride
—— allyloxyacetyl chloride 56680-79-6 C5H7ClO2
allyloxyacetyl chloride
—— (E)-Hept-2-enoyl chloride 76875-23-5 C7H11ClO
(E)-Hept-2-enoyl chloride
—— 3,5-dimethyl-1-adamantanecarbonyl chloride 3124-87-6 C13H19ClO
3,5-dimethyl-1-adamantanecarbonyl chloride
—— isobutyryl iodide 65269-91-2 C4H7IO
isobutyryl iodide
—— 2-cyclohexylideneacetyl chloride 80385-43-9 C8H11ClO
2-cyclohexylideneacetyl chloride
—— 2-Fluoroprop-2-enoyl fluoride 60556-85-6 C3H2F2O
2-Fluoroprop-2-enoyl fluoride
—— difluoro-acetyl bromide 814-77-7 C2HBrF2O
difluoro-acetyl bromide
—— 2,2,3-trimethyl-but-3-enoyl chloride 85620-30-0 C7H11ClO
2,2,3-trimethyl-but-3-enoyl chloride
—— 2,2-dimethylbut-3-enoyl chloride 57690-96-7 C6H9ClO
2,2-dimethylbut-3-enoyl chloride
—— 10,12-tricosadiyne-1-carbonyl chloride 145703-55-5 C23H37ClO
10,12-tricosadiyne-1-carbonyl chloride
—— β-Perfluorvinyl-perfluorpropionylfluorid 36566-87-7 C5F8O
β-Perfluorvinyl-perfluorpropionylfluorid
—— 2-cyclobutylacetyl chloride 59543-38-3 C6H9ClO
2-cyclobutylacetyl chloride
—— 2,3,3,3-tetrafluoro-2-perfluorobutoxypropionyl fluoride 65566-03-2 C7F14O2
2,3,3,3-tetrafluoro-2-perfluorobutoxypropionyl fluoride
—— 4-Chloro-2,2,3,3,4,4-hexafluorobutanoyl fluoride 82914-22-5 C4ClF7O
4-Chloro-2,2,3,3,4,4-hexafluorobutanoyl fluoride
—— F(CF2)6OCF(CF3)COF 13140-31-3 C9F18O2
F(CF2)6OCF(CF3)COF
—— 2,3,3,3-tetrafluoro-2-iodopropanoyl fluoride 83078-26-6 C3F5IO
2,3,3,3-tetrafluoro-2-iodopropanoyl fluoride
—— perfluoro(11-cyano-2,5,8-trimethyl-3,6,9-trioxadodecanoyl) fluoride 54716-82-4 C13F23NO4
perfluoro(11-cyano-2,5,8-trimethyl-3,6,9-trioxadodecanoyl) fluoride
—— perfluoro(8-cyano-2,5-dimethyl-3,6-dioxanonanoyl) fluoride 54716-83-5 C10F17NO3
perfluoro(8-cyano-2,5-dimethyl-3,6-dioxanonanoyl) fluoride
—— 3-Methoxytetrafluoropropionyl fluoride 2794-15-2 C4H3F5O2
3-Methoxytetrafluoropropionyl fluoride
—— 2-[2-(allyl-)hexafluorocyclobutoxy]-perfluoropropanoic acid fluoride 155581-09-2 C10H5F11O2
2-[2-(allyl-)hexafluorocyclobutoxy]-perfluoropropanoic acid fluoride
—— Perfluor-2-n-pentoxypropionylfluorid 13140-30-2 C8F16O2
Perfluor-2-n-pentoxypropionylfluorid
—— 3-tert-Butyl-cyclobutanecarbonyl chloride —— C9H15ClO
3-tert-Butyl-cyclobutanecarbonyl chloride
—— 2,2-difluoro-3-iodopropionyl fluoride 99497-42-4 C3H2F3IO
2,2-difluoro-3-iodopropionyl fluoride
—— Perfluoro-2,9-dimethyl-3,8-dioxadecandioylfluorid 63095-44-3 C10F18O4
Perfluoro-2,9-dimethyl-3,8-dioxadecandioylfluorid
—— 2-Chlor-3,3-dimethylbutanoylchlorid 52920-18-0 C6H10Cl2O
2-Chlor-3,3-dimethylbutanoylchlorid
—— Perfluoro-2-methyl-3-oxaoctandioylfluorid 13140-22-2 C8F14O3
Perfluoro-2-methyl-3-oxaoctandioylfluorid
—— 5-methyl-heptanoyl chloride 107351-28-0 C8H15ClO
5-methyl-heptanoyl chloride
—— 4-Methylhexansaeurechlorid 50599-73-0 C7H13ClO
4-Methylhexansaeurechlorid
—— 2,6-dimethyl-heptanoyl chloride 102943-02-2 C9H17ClO
2,6-dimethyl-heptanoyl chloride
—— 2-ethyl-2-methyl-valeryl chloride 56964-61-5 C8H15ClO
2-ethyl-2-methyl-valeryl chloride
—— 4-bromopentanoic acid chloride 221242-17-7 C5H8BrClO
4-bromopentanoic acid chloride
—— Heptanoylfluorid 334-19-0 C7H13FO
Heptanoylfluorid
—— perfluoro(3-oxapentanoyl) fluoride 13071-64-2 C4F8O2
perfluoro(3-oxapentanoyl) fluoride
—— dibromofluoroacetyl fluoride 353-98-0 C2Br2F2O
dibromofluoroacetyl fluoride
—— 3-chloropropanoyl fluoride 7623-18-9 C3H4ClFO
3-chloropropanoyl fluoride
—— diglycolyl difluoride 21297-64-3 C4F6O3
diglycolyl difluoride
—— perfluoro-3-oxaheptanedioyl fluoride 63095-45-4 C6F10O3
perfluoro-3-oxaheptanedioyl fluoride
—— Perfluoro-2-methyl-3-oxa-1,9-nonanedioyl acid difluoride 39260-98-5 C9F16O3
Perfluoro-2-methyl-3-oxa-1,9-nonanedioyl acid difluoride
—— R-(+)-2-methoxypropionic acid chloride 61915-18-2 C4H7ClO2
R-(+)-2-methoxypropionic acid chloride
—— (E)-5-methylhex-2-enoic acid chloride —— C7H11ClO
(E)-5-methylhex-2-enoic acid chloride
—— 2-hexynoyl chloride 7299-57-2 C6H7ClO
2-hexynoyl chloride